Quick disk health check for SMART-capable devices.
Section: Check and Repair
Show SMART overall health
bash
bash
sudo smartctl -H /dev/sdaExplanation
Quick disk health check for SMART-capable devices.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Check and Repair
Show full SMART data
Inspect temperatures, reallocated sectors, and error logs.
Read NVMe SMART log
Inspect NVMe wear, temperature, and media error counters.
Run fsck on an unmounted filesystem
Dispatch to the correct fsck helper based on filesystem type.
Force an ext filesystem check
Run a full ext filesystem check even if marked clean.